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Tatsuji Kawamura
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Ichihara-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polypropylene-based foamed molded body and manufacturing method of...
Patent number
11,020,885
Issue date
Jun 1, 2021
Prime Polymer Co., Ltd.
Tatsuji Kawamura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Expansion injection molding process and mold for expansion injectio...
Patent number
8,691,128
Issue date
Apr 8, 2014
Prime Polymer Co., Ltd.
Tatsuji Kawamura
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Foaming polypropylene resin composition and process for producing i...
Patent number
8,318,863
Issue date
Nov 27, 2012
Prime Polymer Co., Ltd.
Tatsuji Kawamura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Injection molding metal mold and shaped article
Patent number
8,133,047
Issue date
Mar 13, 2012
Prime Polymer Co., Ltd.
Tomoyuki Obara
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
INJECTION FOAM MOLDED BODY
Publication number
20240190104
Publication date
Jun 13, 2024
Prime Polymer Co., Ltd.
Tatsuji KAWAMURA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
POLYPROPYLENE RESIN COMPOSITION AND MOLDED ARTICLE COMPRISING THE SAME
Publication number
20220289956
Publication date
Sep 15, 2022
Prime Polymer Co., Ltd.
Akira MINOWA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYPROPYLENE-BASED FOAMED MOLDED BODY AND MANUFACTURING METHOD OF...
Publication number
20170312951
Publication date
Nov 2, 2017
Prime Polymer Co., Ltd.
Tatsuji KAWAMURA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
PROPYLENE RESIN COMPOSITION
Publication number
20160376430
Publication date
Dec 29, 2016
Prime Polymer Co., Ltd.
Tatsuya KUSUMOTO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
FOAMING POLYPROPYLENE RESIN COMPOSITION AND MOLDED FOAM USING THE SAME
Publication number
20110206922
Publication date
Aug 25, 2011
Prime Polymer Co., Ltd.
Tatsuji Kawamura
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
FOAMING POLYPROPYLENE RESIN COMPOSITION AND PROCESS FOR PRODUCING I...
Publication number
20100201016
Publication date
Aug 12, 2010
Prime Polymer Co., Ltd.
Tatsuji Kawamura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
INJECTION MOLDING METAL MOLD AND SHAPED ARTICLE
Publication number
20100040724
Publication date
Feb 18, 2010
Prime Polymer Co., Ltd.
Tomoyuki Obara
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Expansion Injection Molding Process And Mold For Expansion Injectio...
Publication number
20090140447
Publication date
Jun 4, 2009
Prime Polymer Co., Ltd.
Tatsuji Kawamura
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL